Steer Wheel Assembly for Mobile ML50, ML55 Manual Pallet Jack
MO 101/210-A-ST
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Compatibility
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Reference Diagrams
Visit our diagram page for part references to popular models
Product Description
Steer wheel assembly for manual pallet jacks, featuring a polyurethane tread on a reinforced nylon hub with ball bearings. Direct replacement component designed for Mobile ML55 manual pallet jack steering applications. The nylon hub construction provides reliable performance in standard pallet jack operations while maintaining compatibility with original equipment specifications.
Specifications
Material & Construction
| Hub Material | Nylon polymer construction with integrated bearing housing |
| Tread Material | Polyurethane |
| Bearing Type | Ball bearings |
Part Numbers & Compatibility
| Manufacturer Part Number | MO 101/210-A-ST |
| Cross-Reference Part Numbers | 101/210-A-ST, 101/210-1-A-ST, MO 101/210-1-A-ST |
| Equipment Compatibility | Mobile ML55 series manual pallet jack |
| Hub Variant | Nylon hub (not interchangeable with aluminum hub variant MO 101/210-A-HD) |
Frequently Asked Questions
Q: What pallet jack models use the MO 101/210-A-ST steer wheel?
A: The MO 101/210-A-ST fits Mobile manual pallet jack model ML55 and comparable manual pallet jacks using nylon hub steering wheel assemblies. Confirm your equipment model and hub material match this specification before ordering, as the nylon design is not interchangeable with aluminum hub variants.
Q: What is the hub material for the MO 101/210-A-ST?
A: The MO 101/210-A-ST features a reinforced nylon hub with polyurethane tread and ball bearings. Nylon hubs are lighter than aluminum and offer reliable performance in standard manual pallet jack steering applications. This material is not directly interchangeable with the aluminum hub variant (MO 101/210-A-HD).
Q: What bearing size does the MO 101/210-A-ST use?
A: The MO 101/210-A-ST is equipped with ball bearings. Verify your pallet jack axle matches this diameter specification. Using bearings with incorrect inner diameter can cause steering issues and unsafe performance.
Q: Are there alternative part numbers for the MO 101/210-A-ST?
A: Cross-reference part numbers for the MO 101/210-A-ST include 101/210-A-ST, 101/210-1-A-ST, and MO 101/210-1-A-ST. The MO 101/210-A-HD (aluminum hub variant) is referenced in the assembly family but is not directly interchangeable. Use the ST designation when ordering to ensure you receive the nylon hub version.
Q: How does the MO 101/210-A-ST compare to the aluminum hub version?
A: The MO 101/210-A-ST uses a reinforced nylon hub with polyurethane tread, while the MO 101/210-A-HD features an aluminum hub. Both use ball bearings, but the designs are not directly interchangeable. Nylon hubs are lighter; aluminum hubs offer greater durability in heavy-use environments. Choose based on your original equipment specification.
Q: Can the MO 101/210-A-ST be used as a replacement in other pallet jack models?
A: The MO 101/210-A-ST is specifically designed for Mobile ML55 manual pallet jacks. Compatibility depends on matching hub material, bearing size, and axle dimensions. Consult your equipment documentation or parts diagram before using in non-Mobile equipment.
Q: How should the MO 101/210-A-ST be stored?
A: Store in a dry environment away from extreme heat. Keep bearings clean and protected from dust and moisture. Store components in original packaging when possible to prevent damage to the bearing seals and wheel tread.
